use georm::Georm;

#[derive(Debug, sqlx::FromRow, Georm, PartialEq, Eq, Default)]
#[georm(table = "biographies")]
pub struct Biography {
    #[georm(id)]
    pub id: i32,
    pub content: String,
}

#[derive(Debug, sqlx::FromRow, Georm, PartialEq, Eq, Default)]
#[georm(table = "authors")]
pub struct Author {
    #[georm(id)]
    pub id: i32,
    pub name: String,
    #[georm(relation = {entity = Biography, table = "biographies", name = "biography", nullable = true})]
    pub biography_id: Option<i32>,
}

impl PartialOrd for Author {
    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
        Some(self.id.cmp(&other.id))
    }
}

impl Ord for Author {
    fn cmp(&self, other: &Self) -> std::cmp::Ordering {
        self.id.cmp(&other.id)
    }
}

#[derive(Debug, sqlx::FromRow, Georm, PartialEq, Eq, Default)]
#[georm(table = "books")]
pub struct Book {
    #[georm(id)]
    ident: i32,
    title: String,
    #[georm(relation = {entity = Author, table = "authors", name = "author"})]
    author_id: i32,
}

impl PartialOrd for Book {
    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
        Some(self.ident.cmp(&other.ident))
    }
}

impl Ord for Book {
    fn cmp(&self, other: &Self) -> std::cmp::Ordering {
        self.ident.cmp(&other.ident)
    }
}

#[derive(Debug, sqlx::FromRow, Georm, PartialEq, Eq)]
#[georm(table = "reviews")]
pub struct Review {
    #[georm(id)]
    pub id: i32,
    #[georm(relation = {entity = Book, table = "books", remote_id = "ident", name = "book"})]
    pub book_id: i32,
    pub review: String
}